Home / 65,725.18-98,591.30-21,348.65

Finding the Fourth Proportional to 65,725.18, 98,591.30 and 21,348.65

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Solution

The fourth proportional to 65,725.18, 98,591.30 and 21,348.65 is: 32,024.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,725.18 : 98,591.30 = 21,348.65 : x
  2. Step 2: Convert to fraction form
    65,725.18/98,591.30 = 21,348.65/x
  3. Step 3: Cross multiply
    65,725.18x = 98,591.30 × 21,348.65
  4. Step 4: Simplify right side
    65,725.18x = 2,104,791,156.75
  5. Step 5: Solve for x
    x = 2,104,791,156.75/65,725.18
  6. Step 6: Final answer
    x = 32,024.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.